Question
The average of 18 numbers is 40, and the average of the
first 9 numbers is 45. Find the average of the remaining 9 numbers.Solution
ATQ, Sum of 18 numbers = 18 × 40 = 720 Sum of first 9 numbers = 9 × 45 = 405 Now, sum of last 9 numbers = (720 – 405) = 315 Therefore, average of last 9 numbers = 315/9 = 35
If 'E & N # O' is true, then how is E related to K?
In expression ‘G $ H & I @ J # K % L $ M & N’ who is the only daughter of I?
'A + B' means 'A is the sister of B'. 'A - B' means 'A is the brother of B'. 'A X B' means 'A is the father of B'. 'A ÷ B' means 'A is the wife of B'. ...
In expression I @ P % K $ O @ G # N % F, how is P related to F’s sister?
If F$G@E*D is true, the how is D related to son of G?
If ‘E # F + D + A * B & C’ is true, then how is D related to C?
If A # B means A is brother of B, A $ B means A is husband of B, A % B means A is mother of B, A @ B means A is daughter of B, then which of the followi...
A & B means ‘A is the son of B’
A # B means ‘A is the sister of B’
A @ B means ‘A is the brother of B’
A % B mea...
'A # B' means 'A is the brother of B'. 'A @ B' means 'A is the daughter of B'. 'A & B' means 'A is the husband of B'. 'A % B' means 'A is the wife of B'...
If ‘P@Q’ means ‘P is the mother of Q’, ‘P$Q’ means ‘P is the husband of Q’, ‘P#Q’ means ‘P is the sister of Q’, ‘P*Q’ means...
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